Help! :-)
The Tourist Information centre is, as you'd expect, very very helpful, and I found out that there is actually a lot more to do there than I had realised. Outside the building is an intranet machine which tellls you all kinds of details about whats on in and around the city.

Haydn Church in Eisenstadt / Austria
Glendalough / Ireland
El Castillo Pyramid in Chichen Itza / Mexico
St. Peter's in Rome